Home / 17,175.28-23,705.40-9,724.72

Finding the Fourth Proportional to 17,175.28, 23,705.40 and 9,724.72

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Solution

The fourth proportional to 17,175.28, 23,705.40 and 9,724.72 is: 13,422.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,175.28 : 23,705.40 = 9,724.72 : x
  2. Step 2: Convert to fraction form
    17,175.28/23,705.40 = 9,724.72/x
  3. Step 3: Cross multiply
    17,175.28x = 23,705.40 × 9,724.72
  4. Step 4: Simplify right side
    17,175.28x = 230,528,377.49
  5. Step 5: Solve for x
    x = 230,528,377.49/17,175.28
  6. Step 6: Final answer
    x = 13,422.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.